长江全长大约六千三百千米,写作______.
六千三百写作:6300.
故答案为:6300.
--Could you tell me __________?
--Of course, last night.
A.when you reached Beijing
B.why you came to Beijing
C.how you came to Beijing
D.where you came from
螺丝批按刀头形状可分为()
A.一字
B.十字
C.丁字
D.梅花